![CID can get to IVR but have to enter PIN or being in whitelist to an certain option on IVR - Configuration - FreePBX Community Forums CID can get to IVR but have to enter PIN or being in whitelist to an certain option on IVR - Configuration - FreePBX Community Forums](https://community.freepbx.org/uploads/default/original/3X/d/d/dd979a11c325d29ccf427a947be1234d24d7c9a4.png)
CID can get to IVR but have to enter PIN or being in whitelist to an certain option on IVR - Configuration - FreePBX Community Forums
![How to create an IVR-based telephone client gate system in C#/XML/HTTP/PHP by using DTMF authentication - CodeProject How to create an IVR-based telephone client gate system in C#/XML/HTTP/PHP by using DTMF authentication - CodeProject](https://www.codeproject.com/KB/cs/794853/ivr_based_telephone_client_gate_csharp_xml_http_php_dtmf_authentication-r-700.png)
How to create an IVR-based telephone client gate system in C#/XML/HTTP/PHP by using DTMF authentication - CodeProject
![CID can get to IVR but have to enter PIN or being in whitelist to an certain option on IVR - Configuration - FreePBX Community Forums CID can get to IVR but have to enter PIN or being in whitelist to an certain option on IVR - Configuration - FreePBX Community Forums](https://fpbxforums-sangomaus.netdna-ssl.com/uploads/default/optimized/3X/d/d/dd979a11c325d29ccf427a947be1234d24d7c9a4_2_690x335.png)